The team issued a statement regarding the situation:
Farquhar had just pitched two-thirds of an inning, allowing two runs on two hits and striking out one batter.
Chicago manager Rick Renteria provided an update after the game, via The Athletic's Jon Greenberg:
Entering Friday's contest, Farquhar was 1-1 with a 3.68 ERA, 0.545 WHIP and eight strikeouts in 7.1 innings over seven appearances this season.
The 31-year-old reliever debuted with the Toronto Blue Jays in 2011. The right-hander has pitched for four teams over the course of seven seasons, posting a 3.88 ERA and 1.255 WHIP in 252 career appearances. The White Sox signed him last July after the Tampa Bay Rays released him.